Urban pipeline construction groove excavation equipment

By combining the second support arm and the drive arm, the cutter head is tilted and the pressure plate is slid, which solves the problem of difficult slope adjustment in the existing technology, realizes flexible adjustment of the grooving slope and flatness of the inner wall of the trench, and improves construction accuracy and efficiency.

CN224031779UActive Publication Date: 2026-03-24ZHONGHENG CONSTR GRP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-21
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

The lack of an adjustment mechanism in the existing technology makes it inconvenient to adjust the slope of the groove.

Method used

The combination of components such as the second support arm and the drive arm allows the cutter head to tilt, thereby adjusting the grooving slope. The second support rod and the pressure plate work together to smooth the inner wall of the groove.

Benefits of technology

It enables flexible adjustment of the trench slope and a smooth inner wall, improving the accuracy and efficiency of construction.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of pipeline construction, in particular to urban pipeline construction trench excavation equipment which comprises a construction vehicle, a first supporting arm is rotatably mounted on the construction vehicle, a second supporting arm is rotatably connected to the top end of the first supporting arm, and a driving box is rotatably connected to the other end of the second supporting arm; a driving arm is fixedly connected to the outer surface of the driving box, a first hydraulic rod is fixedly mounted on the outer surface of the second supporting arm, and a first sliding block is fixedly connected to the output end of the first hydraulic rod. Through the arrangement of the second supporting arm, the driving arm and other components, the first supporting rod can drive the driving box and other components to rotate through the driving arm through the mutual matching relation between the second supporting arm and the driving arm, and therefore the effect that the second supporting arm and the driving arm are arranged to drive the cutter head to rotate in an inclined mode is achieved; the defects that an adjusting mechanism is lacked in an existing technical scheme, and the gradient of a groove is inconvenient to adjust are overcome.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of pipeline construction, in particular to a trench excavation device for urban pipeline construction. BACKGROUND

[0002] At present, pipelines refer to all kinds of pipes and cables for conveying fluids (such as oil, gas, water, etc.) or transmitting information (such as communication signals). They include water supply pipelines, drainage pipelines, gas pipelines, heat pipelines and communication pipelines, etc.

[0003] Pipeline construction is an engineering project involving multiple specialties and processes. The following is the general construction process and key points: understanding the design requirements of pipeline alignment, slope, pipe diameter, material, etc., and the intersection with other facilities. Determine the topography, landform, underground obstacles, etc. of the construction site to provide basis for the development of construction plan. According to the design requirements, qualified pipe materials, pipe fittings, valves and other materials are purchased, as well as the mechanical equipment required for construction. Including construction sequence, construction method, quality control measures, safety guarantee measures, etc.

[0004] In the trenching process of pipeline construction, the depth and slope of the trench need to be determined according to the soil quality and load condition of the construction site. For the related technology in the above, the inventors find that the following defects exist: the existing technology lacks adjusting mechanism, which makes it inconvenient to adjust the slope of the trench. In order to solve the defects in the prior art, the second supporting arm and the driving arm are provided in the application, so that the first supporting rod can drive the cutter head to tilt through the supporting arm and the driving box, thereby achieving the effect of adjusting the slope of the trench. CONTENT OF THE UTILITY MODEL

[0005] In order to facilitate the adjustment of the slope of the trench, the application provides a trench excavation device for urban pipeline construction.

[0006] The trench excavation device for urban pipeline construction provided by the application adopts the following technical scheme: a trench excavation device for urban pipeline construction, comprising a construction vehicle, the construction vehicle is rotatably installed with a first supporting arm, the top end of the first supporting arm is rotatably connected with a second supporting arm, the other end of the second supporting arm is rotatably connected with a driving box, the outer surface of the driving box is rotatably installed with a cutter head, the inside of the driving box is fixedly installed with a first motor, the outer surface of the driving box is fixedly connected with a driving arm, the outer surface of the second supporting arm is fixedly installed with a first hydraulic rod, the output end of the first hydraulic rod is fixedly connected with a first sliding block, and the first sliding block is rotatably connected with a first supporting rod.

[0007] Optionally, a dustproof shell is arranged above the cutter head, and the dustproof shell is fixedly connected with the outer surface of the driving arm.

[0008] Optionally, the outer surface of the second supporting arm is fixedly connected with two limiting pins, and the two limiting pins are symmetrically installed.

[0009] Optionally, the bottom end of the driving arm is fixedly connected with two limiting rings, and the outer surface of each limiting ring is provided with a limiting groove.

[0010] Optionally, one side of the cutter head is provided with a pressing plate, and the outer surface of the pressing plate is rotatably connected with two second supporting rods.

[0011] Optionally, the driving arm is fixedly connected with a tripod, the tripod is fixedly connected with a supporting box, and the inside of the supporting box is slidably connected with a second sliding block.

[0012] Optionally, the inside of the supporting box is fixedly installed with a second motor, and the output end of the second motor is fixedly connected with a driving rod.

[0013] In summary, the present application has the following beneficial technical effects:

[0014] 1. The utility model discloses a second supporting arm and driving arm are set up, and the mutual cooperation of second supporting arm and driving arm makes first supporting rod drive driving box and other components to rotate through driving arm, so as to reach the effect that the utility model discloses a second supporting arm and driving arm drive cutter head to tilt, and the technical scheme of present technology lacks adjusting mechanism, and the slope of the groove is not convenient to adjust.

[0015] 2. The utility model discloses a second supporting rod and pressing plate are set up, and the mutual cooperation of second supporting rod and pressing plate makes driving rod drive second sliding block to slide through rotation, and second sliding block can drive pressing plate to be attached to the inner wall of the groove through second supporting rod, and then reaches the effect that the utility model discloses a second supporting rod and pressing plate are set up to smooth the inner wall of the groove. DRAWINGS

[0016] Figure 1 It is the left side structure schematic diagram of the whole in the embodiment of the application;

[0017] Figure 2 It is the right side structure schematic diagram of the whole in the embodiment of the application;

[0018] Figure 3 It is the structure schematic diagram of second supporting arm in the embodiment of the application;

[0019] Figure 4 It is the structure schematic diagram of pressing plate in the embodiment of the application;

[0020] Figure 5 It is the inside structure schematic diagram of supporting box in the embodiment of the application.

[0021] : 1, construction vehicle; 2, first support arm; 3, second support arm; 4, drive box; 5, cutter head; 6, first motor; 7, drive arm; 8, first hydraulic rod; 9, first sliding block; 10, first support rod; 11, dustproof shell; 12, limiting pin; 13, limiting ring; 14, limiting groove; 15, pressing plate; 16, second support rod; 17, tripod; 18, support box; 19, second sliding block; 20, second motor; 21, drive rod. DETAILED DESCRIPTION

[0022] The application will be further described in detail below with reference to the accompanying drawings. Figures 1-5 The application will be further described in detail below with reference to the accompanying drawings.

[0023] The application discloses a kind of urban pipeline construction trench excavation equipment. As shown in Fig. Figure 1 、 2 A kind of urban pipeline construction trench excavation equipment, as shown in Fig. 1, construction vehicle 1 is installed with moving mechanism and control system in the inside of construction vehicle 1, for driving and control construction vehicle 1 moves and drives the operation of relevant hydraulic rod and motor, for the rotation installation of construction vehicle 1 with first support arm 2, the middle segment of first support arm 2 is rotationally installed with a second hydraulic rod, the other end of second hydraulic rod is rotationally connected with construction vehicle 1, the top end of first support arm 2 is rotationally connected with second support arm 3, the middle segment of second support arm 3 is rotationally connected with a third hydraulic rod, the other end of third hydraulic rod is rotationally connected with first support arm 2, the other end of second support arm 3 is rotationally connected with drive box 4, the height position of drive box 4 is adjusted by the extension of two hydraulic rods to first support arm 2 and second support arm 3, cutter head 5 is rotationally installed on the outer surface of drive box 4, equal-distance arranged broken teeth are fixedly installed on the outer surface of cutter head 5, first motor 6 is fixedly installed in the inside of drive box 4, the output end of first motor 6 is fixedly connected with cutter head 5, drive arm 7 is fixedly connected with tripod 17, drive arm 7 is fixedly connected with first support arm 2 and second support arm 3, first hydraulic rod 8 is fixedly installed on the outer surface of second support arm 3, the output end of first hydraulic rod 8 is fixedly connected with first sliding block 9, first sliding block 9 is slidably connected with second support arm 3, first sliding block 9 is rotationally connected with first support rod 10, the other end of first support rod 10 is rotationally connected with the top end of drive arm 7, first motor 6 is started, first motor 6 drives cutter head 5 to rotate, first hydraulic rod 8 is controlled to elongate, so that the output end of first hydraulic rod 8 drives first sliding block 9 to slide, first sliding block 9 drives drive arm 7 and drive box 4 to rotate through first support rod 10, so that cutter head 5 is inclined.

[0024] Please refer to Figure 1 、 2, the bottom end of the driving arm 7 is fixedly connected with two limiting rings 13, the two limiting rings 13 are symmetrically installed, the outer surface of each limiting ring 13 is provided with a limiting groove 14, the limiting groove 14 is arc-shaped, and the arc center of the limiting groove 14 is located on the rotation axis of the driving box 4.

[0025] Please refer to Figure 3 , the outer surface of the second supporting arm 3 is fixedly connected with two limiting pins 12, the two limiting pins 12 are symmetrically installed, each limiting pin 12 corresponds to a limiting groove 14, and each limiting pin 12 is located in the corresponding limiting groove 14, the limiting pin 12 and the limiting ring 13 assist in limiting the rotation of the driving arm 7 and the driving box 4.

[0026] Please refer to Figure 1 、 2 , 3, the upper side of the cutter head 5 is provided with a dust cover 11, the dust cover 11 is fixedly connected with the outer surface of the driving box 4, the dust cover 11 is fixedly connected with the outer surface of the driving arm 7, and the dust cover 11 blocks the soil, so that the soil raised when the cutter head 5 is grooved can be conveyed to the outside and the front.

[0027] Please refer to Figure 1 、 3 , 4, 5, the support box 18 is fixedly connected with the triangular support 17, the support box 18 is fixedly connected with the outer surface of the dust cover 11, and the second sliding block 19 is slidably connected in the support box 18. The two second sliding blocks 19 are symmetrically installed.

[0028] Please refer to Figure 2 、 3 , 4, 5, the cutter head 5 is provided with a pressing plate 15 on one side, the outer surface of the pressing plate 15 is rotatably connected with two second supporting rods 16, each second supporting rod 16 corresponds to a second sliding block 19, and the other end of each second supporting rod 16 is rotatably connected with the corresponding second sliding block 19. The second sliding block 19 drives the pressing plate 15 to move through the second supporting rod 16, so that the outer surface of the pressing plate 15 can be attached to the inner wall of the groove, thereby smoothing the inner wall of the groove.

[0029] Please refer to Figure 5 , the second motor 20 is fixedly installed in the support box 18, the output end of the second motor 20 is fixedly connected with a driving rod 21, the outer surface of the driving rod 21 is provided with a bidirectional screw thread, the other end of the driving rod 21 is rotatably connected with the inside of the support box 18, and the outer surface of the driving rod 21 is threadedly connected with the inside of the two second sliding blocks 19.

[0030] The implementation principle of the urban pipeline construction trench excavation equipment in the embodiment of the application is as follows: the first motor 6 is started, the output end of the first motor 6 drives the cutter head 5 to rotate, the extension and retraction of the second hydraulic rod and the third hydraulic rod are controlled, the first supporting arm 2 and the second supporting arm 3 drive the driving box 4 and the cutter head 5 to fall, the construction vehicle 1 is started, the driving box 4 and the cutter head 5 are driven to move, the ground is broken and grooved, and the construction vehicle 1 is moved forward, so that the supporting box 18 and the pressing plate 15 enter the inside of the trench, the extension and retraction of the first hydraulic rod 8 are controlled, the first hydraulic rod 8 drives the first sliding block 9 to slide, the first sliding block 9 drives the driving arm 7 and the driving box 4 to rotate through the first supporting rod 10, so that the components such as the cutter head 5 are tilted, thereby the adjustment of the slope of the inner wall of the trench is realized, the second motor 20 is started, the output end of the second motor 20 drives the driving rod 21 to rotate, the driving rod 21 drives the two second sliding blocks 19 to slide, the second sliding blocks 19 drive the pressing plate 15 to move through the second supporting rod 16, so that the outer side of the pressing plate 15 is attached to the inner wall of the trench, thereby the inner wall of the trench is smoothed.

[0031] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so that: equivalent changes made according to the structure, shape, principle of the application should be covered in the protection scope of the application.

Claims

1. An urban pipeline construction trenching apparatus comprising a construction vehicle (1) characterised in that: The construction vehicle (1) is rotatably provided with a first supporting arm (2), the top end of the first supporting arm (2) is rotatably connected with a second supporting arm (3), the other end of the second supporting arm (3) is rotatably connected with a driving box (4), the outer surface of the driving box (4) is rotatably provided with a cutter head (5), the inside of the driving box (4) is fixedly provided with a first motor (6), the outer surface of the driving box (4) is fixedly connected with a driving arm (7), the outer surface of the second supporting arm (3) is fixedly provided with a first hydraulic rod (8), the output end of the first hydraulic rod (8) is fixedly connected with a first sliding block (9), and the first sliding block (9) is rotatably connected with a first supporting rod (10).

2. A trench excavation apparatus for urban pipeline construction according to claim 1, characterized in that: The upper side of the cutter head (5) is provided with a dustproof shell (11), and the dustproof shell (11) is fixedly connected with the outer surface of the driving arm (7).

3. A trench excavation apparatus for urban pipeline construction according to claim 1, characterized in that: The outer surface of the second supporting arm (3) is fixedly connected with two limiting pins (12), and the two limiting pins (12) are symmetrically installed.

4. A trench excavation apparatus for urban pipeline construction according to claim 1, characterized in that: The bottom end of the driving arm (7) is fixedly connected with two limiting rings (13), and the outer surface of each limiting ring (13) is provided with a limiting groove (14).

5. A trench excavation apparatus for urban pipeline construction according to claim 1, characterized in that: One side of the cutter head (5) is provided with a pressing plate (15), and the outer surface of the pressing plate (15) is rotatably connected with two second supporting rods (16).

6. A trench excavation apparatus for urban pipeline construction according to claim 1, characterized in that: The driving arm (7) is fixedly connected with a tripod (17), the tripod (17) is fixedly connected with a supporting box (18), and the inside of the supporting box (18) is slidably connected with a second sliding block (19).

7. An urban pipeline construction trench excavation apparatus according to claim 6, characterised in that: The inside of the supporting box (18) is fixedly provided with a second motor (20), and the output end of the second motor (20) is fixedly connected with a driving rod (21).